EI283 (20H25N20S2)

Country	Section	Category
CIS, Russia, Ukraine	Corrosion-resistant alloys and steels	Corrosion-resistant heat-resistant steel

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %	W, %
GOST 5632-14	46.345–56	2–3	< 1.5	24–27	< 0.2	18–21	< 0.2	< 0.035	< 0.2	< 0.02	< 0.3	< 0.2

Property
Performance Note Note prone to embrittlement at 600-800 ° C
Performance data Application temperature: <1050 ° C Scaling temperature: 1100 ° C
According to GOST 5949 Note. The norms of mechanical properties apply to samples taken from steel with a diameter or thickness of up to 60 mm.
For steel with a diameter or thickness of st. 60 to 100mm reduction of elongation by 1abs.% Is allowed
relative narrowing by 5abs.% and impact strength by 4.9 J / cm2 at a rate of less than 78.4 J / cm2 and by 9.8 J / cm2 at a rate of 78.4 J / cm2 or more.
For steel with a diameter or thickness of st. 100 to 150mm, a reduction in elongation of 3abs.% Is allowed,
a relative narrowing of 10 abs.% and impact strength of 9.8 J / cm2 at a rate of less than 78.4 J / cm2 and at 14.7 J / cm2 at a rate of 78.4 J / cm2 or more.
Quenching 1100 - 1150 ° С, cooling in air or in water
According to GOST 5949 Yield strength:> 295 MPa Tensile strength:> 590 MPa Elongation:> 35% Elongation:> 50%
According to GOST 5949 As agreed M1 (tests at elevated temperature) Note By agreement
Calculated Properties Density: 7.76 g / cm3
Note Heat Resistant Steel Austenitic Steel

Germany	USA
4841	SS 310